Step 3:
Put the new pictures (in JPG or BMP format) into appropriate folder. The
resolution of full-screen picture should be 800X480ppi, the half-screen picture's resolution
should be 400X480ppi. The name of new picture must be the same as the initial picture's in
the folder. For example, if you want to replace initial picture "f001", the new one must be
also named "f001", thus delete the old one. See the figure shows as below:
Before Replacement
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